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Note 3 - Acquisitions (Details Textual) $ in Thousands					1 Months Ended	2 Months Ended	12 Months Ended
	Jan. 03, 2023 USD ($)	Nov. 08, 2021 USD ($)	Oct. 01, 2021 USD ($)	Jan. 01, 2020 USD ($) shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability							$ (400)	$ 0	$ 0
Payment for Contingent Consideration Liability, Financing Activities							$ 3,125	$ (0)	$ (0)
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)							2 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)							15 years
UNR [Member]
Asset Acquisition, Consideration Transferred, Total			$ 3,000
Asset Acquisition, Consideration Transferred, Working Capital Liabilities			500
Asset Acquisition, Consideration Transferred, Net of Price Adjustments			$ 2,500
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)							3 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)							7 years
Network Rights [Member]
Finite-Lived Intangible Asset, Useful Life (Year)							15 years
Technology [Member] | UNR [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)			5 years
Technology [Member] | UNR [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)			7 years
Cedar Technologies Inc. [Member]
Business Combination, Consideration Transferred, Total				$ 14,100
Business Combination, Consideration Transferred, Estimated Price Adjustments				200
Business Combination, Consideration Transferred, Net of Price Adjustments				13,900
Payments to Acquire Businesses, Gross				$ 9,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares				32,374
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable				$ 2,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High				4,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability					$ (400)
Business Combination, Contingent Consideration, Liability, Total				$ 3,100
Cedar Technologies Inc. [Member] | Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life (Year)				7 years
Cedar Technologies Inc. [Member] | Network Rights [Member]
Finite-Lived Intangible Asset, Useful Life (Year)				15 years
Cedar Technologies Inc. [Member] | Subsequent Event [Member]
Payment for Contingent Consideration Liability, Financing Activities	$ 1,600
Cedar Technologies Inc. [Member] | Measurement Input, Discount Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input				0.112
Simply Bits LLC [Member]
Business Combination, Consideration Transferred, Total		$ 24,829
Business Combination, Consideration Transferred, Estimated Price Adjustments						$ 800
Business Combination, Consideration Transferred, Net of Price Adjustments		25,782				$ 25,800
Business Combination, Contingent Consideration, Liability, Total		$ 1,000
Finite-Lived Intangible Asset, Useful Life (Year)		7 years
Business Acquisition, Percentage of Voting Interests Acquired		100.00%
Business Combination, Contingent Consideration Arrangements, Payment Period (Day)		60 days

X

- Definition

Amount of consideration transferred net of any price adjustments.

+ References

No definition available.

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+ References

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- Definition

Amount of estimated price adjustments that are expected to be incurred by the acquiring entity. Excludes cash.

+ References

No definition available.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer net of any price adjustments.

+ References

No definition available.

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- Definition

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+ References

No definition available.

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- Definition

Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

+ References

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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- Definition

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Amount of liability recognized arising from contingent consideration in a business combination.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability up to amount recognized at acquisition date, including, but not limited to, measurement period adjustment and less amount paid soon after acquisition date.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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